Yes, both Mailgun and nexoya offer a Free Trial.
Mailgun is designed for Large Enterprises, Medium Business and Small Business.
nexoya is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both Mailgun and nexoya are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Mailgun includes Pipedrive, SMTP, Campaigner and Moosend.
Some top alternatives to nexoya includes SEO Explorer, Vidooly, Adjust, OWOX BI, Needl, DeltaX Assistant, Slymetrix Analytics, QuantifyNow, Accordably and Metricscreen.